Abstract: A method for video encoding is provided. The method includes: generating an inter prediction of a current coding block based on at least one motion vector from a current picture to at least one reference picture respectively; generating an intra prediction of the current coding block based on an intra prediction mode; generating a final prediction of the current coding block by weighted averaging the inter prediction and the intra prediction; determining the current coding block is treated as inter mode upon constructing a most probable mode (MPM) list of a neighboring coding block, or determining the current coding block is treated as intra mode upon constructing an MPM list of a neighboring coding block; and putting entropy-encoded information indicating that the current coding block is treated as inter mode or intra mode in a bitstream to be transmitted to a decoder.

Abstract: This application can provide a method and electronic device for separating mixed sound signal. The method includes: obtaining a first hidden variable representing a human voice feature and a second hidden variable representing an accompaniment sound feature by inputting feature data of a mixed sound extracted from a mixed sound signal into a coding model for the mixed sound; obtaining first feature data of a human voice and second feature data of an accompaniment sound by inputting the first hidden variable and the second hidden variable into a first decoding model for the human voice and a second decoding model for the accompaniment sound respectively; and obtaining, based on the first feature data and the second feature data, the human voice and the accompaniment sound.

Abstract: Embodiments of the application can provide a method, a device, and a terminal for controlling a jitter in network communication, belonging to the technical field of communication. The method includes: generating trigger information, where the trigger information is for triggering switching of a jitter control strategy for the network communication, the jitter control strategy includes a first control strategy based on a first cached data amount and a second control strategy based on a second cached data amount, and the first cached data amount is smaller than the second cached data amount; switching the jitter control strategy to a target control strategy in response to the trigger information; and controlling the jitter in the network communication by using the target control strategy, where the target control strategy is the first control strategy or the second control strategy corresponding to the trigger information.

Abstract: A file transfer display control method and apparatus, and a corresponding terminal are provided. In the method the terminal may generate a floating window to display transfer progress information during a file transfer executed by a content aggregation application in the terminal, where the transfer progress information indicates a progress of the file transfer. The terminal acquires position information of the floating window in a display interface of the content aggregation application. The terminal display the transfer progress information in the floating window based on the position information in the display interface.

Abstract: A method for video encoding is provided. The method includes: partitioning a frame of video data into a plurality of blocks; obtaining a current prediction of a current block of the plurality of blocks using one or more motion vectors of the current block; obtaining one or more collocated predictions of the current block using one or more motion vectors of one or more neighbor blocks of the current block in respective one or more blending areas, where each of the one or more blending areas is at least part of the current block and adjustable based at least on the partitioning; and obtaining a combined prediction of the current block by combing the current prediction with the one or more collocated predictions.

Abstract: Embodiments of the disclosure provide systems and methods for performing occlusion detection in frame rate up-conversion of video data including a sequence of image frames. The method includes determining, by a video processor, whether a target block of a target frame is a potential occlusion block based on at least one of motion vector information or distortion metric information associated with the target block. The target frame is to be generated and interpolated into the sequence of image frames. Responsive to the target block being the potential occlusion block, the method further includes detecting, by the video processor, an occlusion type of the target block. The method additionally includes generating, by the video processor, the target block by performing a motion compensation method adaptively selected based on the occlusion type of the target block.

Abstract: Disclosed are a video bit rate determining method and apparatus, an electronic device, a storage medium. The method includes: determining a cancellation parameter ?(k) for cancelling a throughput prediction error of a video block Fk; determining a cache amount prediction value of each of video blocks from the video block Fk to the video block Fk+N?1 at the end of download thereof based on a throughput prediction value of the video blocks and ?(k); determining a video playback quality loss value according to a weight value of the bit rate change between adjacent video blocks requested and a cache prediction error between the cache amount prediction value and a preset cache amount target value of the video blocks at the end of download thereof, requesting the video block Fk at a bit rate that does not exceed a bit rate r(k) when the video playback quality loss value is minimum.

Abstract: A method for determining a media server and a sever are provided. In the method, a live streaming access request from a target account is received; an audience number type of an anchor account in the live streaming room is determined; a target media server matching the audience number type is determined; and a live video stream in the live streaming room is transmitted, based on the target media server, to a terminal from which the target account is logged in.

Abstract: The present disclosure relates to a method for deriving constructed affine merge candidates. The method includes acquiring, from a decoder, a regular merge flag for a coding unit (CU) which is coded as merge mode and merge related modes, when the regular merge flag is one, indicating that regular merge mode or merge mode with motion vector differences (MMVD) is used by the CU, constructing a motion vector merge list for the CU and using regular merge index to indicate which candidate is used, and when the regular merge flag is zero, indicating regular merge mode is not used by the CU, and further receiving mode flags to indicate associated merge related modes are used when a mode flag's constraints are met.

Abstract: The present disclosure relates to a video connection method and apparatus. The method includes: obtaining matched video connection requests from a plurality of video connection requests; creating a video connection room for the matched video connection requests; generating identification information of the video connection room; and informing a first client and a second client of entering the video connection room and making a video connection by sending the identification information of the video connection room to the first client and the second client corresponding to the matched video connection requests respectively.

Abstract: A human face image classification method includes: acquiring a human face image to be classified; inputting the human face image into a pre-set convolutional neural network model, and according to intermediate data output by a convolutional layer of the convolutional neural network model, identifying gender information of the human face image; and according to final data output by the convolutional layer of the convolutional neural network model, carrying out pre-set content understanding classification on the human face image in a range defined by the gender information, so that data regarding deciding a classification result output by the convolutional neural network model comprises a difference attribute for distinguishing between different genders.

Abstract: A method and a computing device are provided for video coding. The method may include deriving parameter ? and parameter ? for a CCLM mode by using a predetermined number of neighboring reconstructed luma samples and chroma samples in a CU; and generating a final chroma predictor for the chroma samples of the CU by using the parameter ? and the parameter ?.

Abstract: Embodiments of the present disclosure provide a method for adding a special effect to a video, an electronic device and a storage medium. First portrait edge information of a first frame is determined based on the portrait foregrounds of the first frame and a previous frame. A fluctuation offset based on a playback time and a fluctuation parameter is added to the first portrait edge information to obtain second portrait edge information. The second portrait edge information is superimposed on the first frame to obtain a second frame having the special effect.

Abstract: A method, electronic device and computer readable storage medium for shooting a video are disclosed. The method can include: shooting a first video based on a first duration; receiving a first instruction, where the first instruction is used for shooting for extra time; shooting a second video based on the first instruction, in response to that the first duration ends; and generating a target video file based on the first video and the second video.

Abstract: A method for processing images may include: acquiring a first mask image based on a portrait image, wherein the first mask image represents a hair area in the portrait image; acquiring a first portrait image including the hair area based on the first mask image and a color lookup table; acquiring a second portrait image including a non-hair area based on the first mask image; and acquiring a target image by interpolating and blending the first portrait image with the second portrait image.

Abstract: A method for processing an image, an electronic device and a storage medium are provided. The method includes acquiring a first face image; extracting a face highlight area from the first face image, in which the face highlight area is an area having a brightness value not lower than a first predetermined brightness threshold in a face area of the first face image; obtaining a second face image by decreasing the brightness value of the face highlight area based on a predetermined highlight darkening parameter; obtaining a third face image by converting a color format of the second face image into a RGB color format and decreasing an intensity of each color channel of each pixel in the second face image, and obtaining a target face image by blending the third face image and the first face image.

Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for decoding a video signal. A decoder partitions a video picture into a plurality of coding units (CUs) comprising a lossless CU. The decoder may further receive a high-level syntax. The high-level syntax may include, for example, a first flag that indicates whether a residual coding scheme is switchable.

Abstract: A method for controlling bit-width for bi-directional optical flow (BDOF) for video coding includes acquiring, for a current picture, a first reference picture and a second reference picture, the second reference picture being different than the first reference picture, where the first reference picture is displayed before the current picture and the second reference picture is displayed after the current picture. A motion refinement of a coding unit (CU) is calculated by minimizing a difference between a first prediction L0 and a second prediction L1. First gradient values for the first prediction L0 and second gradient values for the second prediction L1 are calculated. A final bi-prediction of the CU is calculated. Also disclosed are an associated apparatus and an associated non-transitory computer readable storage medium.

Abstract: A method and a computing device are provided for video coding. The method may include deriving parameter ? and parameter ? for a CCLM mode by using a predetermined number of neighboring reconstructed luma samples and chroma samples in a CU; and generating a final chroma predictor for the chroma samples of the CU by using the parameter ? and the parameter ?.